Looking for z>7 galaxies with the Gravitational Telescope

Details Looking for z>7 galaxies with the Gravitational Telescope Looking for z>7 galaxies with the Gravitational Telescope

2005-10-06

arxiv.org/abs/astro-ph/0510180v1

Astronomy and Astrophysics

Astrophysics

5 pages, 2 figures. Conference proceedings: "The Fabulous Destiny of Galaxies: Bridging Past and Present", Marseille, June 200

Scientific paper

We summarize the main results obtained recently by our group on the identification and study of very high-z galaxies (z>7) using lensing clusters as natural gravitational telescopes. A description of our pilot survey with ISAAC/VLT is presented, aimed at the spectroscopic confirmation of z>7 candidate galaxies photometrically selected from deep near-IR, HST and optical ground-based imaging. The first results issued from this survey are discussed, in particular the global photometric properties of our high-z candidates, and the implications for the global star formation rate at very high-z.

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